LXR linux/drivers/media/dvb-frontends/cx24113.h

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3 *  Driver for Conexant CX24113/CX24128 Tuner (Satellite)
   4 *
   5 *  Copyright (C) 2007-8 Patrick Boettcher <pb@linuxtv.org>
   6 */
   7
   8#ifndef CX24113_H
   9#define CX24113_H
  10
  11struct dvb_frontend;
  12
  13struct cx24113_config {
  14        u8 i2c_addr; /* 0x14 or 0x54 */
  15
  16        u32 xtal_khz;
  17};
  18
  19#if IS_REACHABLE(CONFIG_DVB_TUNER_CX24113)
  20extern struct dvb_frontend *cx24113_attach(struct dvb_frontend *,
  21        const struct cx24113_config *config, struct i2c_adapter *i2c);
  22
  23extern void cx24113_agc_callback(struct dvb_frontend *fe);
  24#else
  25static inline struct dvb_frontend *cx24113_attach(struct dvb_frontend *fe,
  26        const struct cx24113_config *config, struct i2c_adapter *i2c)
  27{
  28        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  29        return NULL;
  30}
  31
  32static inline void cx24113_agc_callback(struct dvb_frontend *fe)
  33{
  34        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
  35}
  36#endif
  37
  38#endif /* CX24113_H */
  39